101 citations · 537 across the 11 of their papers we have counts for
11 papers
Optimizing Laser Wakefield Acceleration in the Nonlinear Self-Guided Regime for Fixed Laser Energy
A. Davidson, A. Tableman, P. Yu +5
The scaling laws for laser wakefield acceleration in the nonlinear, self-guided regime [Lu et al. Phys. Rev. Spec. Top. Accel. Beams 10, 061301 (2007)] are examined in detail using…
High quality electron bunch generation using a longitudinal density-tailored plasma-based accelerator in the three-dimensional blowout regime
X. L. Xu, F. Li, W. An +4
The generation of very high quality electron bunches (high brightness and low energy spread) from a plasma-based accelerator in the three-dimensional blowout regime using self-inje…
Controlling the Numerical Cerenkov Instability in PIC simulations using a customized finite difference Maxwell solver and a local FFT based current correction
Fei Li, Peicheng Yu, Xinlu Xu +10
In this paper we present a customized finite-difference-time-domain (FDTD) Maxwell solver for the particle-in-cell (PIC) algorithm. The solver is customized to effectively eliminat…
Nano-scale electron bunching in laser-triggered ionization injection in plasma accelerators
X. L. Xu, C. J. Zhang, F. Li +9
Ionization injection is attractive as a controllable injection scheme for generating high quality electron beams using plasma-based wakefield acceleration. Due to the phase depende…
Mitigation of numerical Cerenkov radiation and instability using a hybrid finite difference-FFT Maxwell solver and a local charge conserving current deposit
Peicheng Yu, Xinlu Xu, Adam Tableman +9
A hybrid Maxwell solver for fully relativistic and electromagnetic (EM) particle-in-cell (PIC) codes is described. In this solver, the EM fields are solved in space by performi…
Exact phase space matching for staging plasma and traditional accelerator components using longitudinally tailored plasma profiles
X. L. Xu, Y. P. Wu, C. J. Zhang +10
Phase space matching between two plasma-accelerator (PA) stages and between a PA and a traditional accelerator component is a critical issue for emittance preservation of beams acc…
Elimination of the numerical Cerenkov instability for spectral EM-PIC codes
Peicheng Yu, Xinlu Xu, Viktor K. Decyk +7
When using an electromagnetic particle-in-cell (EM-PIC) code to simulate a relativistically drifting plasma, a violent numerical instability known as the numerical Cerenkov instabi…
Low emittance electron beam generation from a laser wakefield accelerator using two laser pulses with different wavelengths
X. L. Xu, Y. P. Wu, C. J. Zhang +8
Ionization injection triggered by short wavelength laser pulses inside a nonlinear wakefield driven by a longer wavelength laser is examined via multi-dimensional particle-in-cell…
Modeling of Laser wakefield acceleration in Lorentz boosted frame using EM-PIC code with spectral solver
Peicheng Yu, Xinlu Xu, Viktor K. Decyk +7
Simulating laser wakefield acceleration (LWFA) in a Lorentz boosted frame in which the plasma drifts towards the laser with can speedup the simulation by factors of $γ^2_b=(1…
Phase Space Dynamics of Ionization Injection in Plasma Based Accelerators
X. L. Xu, J. F. Hua, F. Li +11
The evolution of beam phase space in ionization-induced injection into plasma wakefields is studied using theory and particle-in-cell (PIC) simulations. The injection process cause…
Numerical instability due to relativistic plasma drift in EM-PIC simulations
Xinlu Xu, Peicheng Yu, Samual F. Martins +6
The numerical instability observed in the Electromagnetic-Particle-in-cell (EM-PIC) simulations with a plasma drifting with relativistic velocities is studied using both theory and…